153493864 has 16 divisors (see below), whose sum is σ = 288998820. Its totient is φ = 76427520.

The previous prime is 153493859. The next prime is 153493877. The reversal of 153493864 is 468394351.

It can be written as a sum of positive squares in 2 ways, for example, as 144240100 + 9253764 = 12010^2 + 3042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 153493864.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37879 + ... + 41734.

Almost surely, 2^153493864 is an apocalyptic number.

It is an amenable number.

153493864 is a deficient number, since it is larger than the sum of its proper divisors (135504956).

153493864 is a wasteful number, since it uses less digits than its factorization.

153493864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79860 (or 79856 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 153493864 is about 12389.2640620821. The cubic root of 153493864 is about 535.4229793244.

The spelling of 153493864 in words is "one hundred fifty-three million, four hundred ninety-three thousand, eight hundred sixty-four".